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Prev Professional Automotive Repair Technical Discussions for August 9, 2011
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Open Help Requests for GM
Help Request Answers
1994 Buick Century Custom 3.1L Misfire VIN: 3GA4AG55M4
customer car has a back fire when under load, run good when idle, no p code, need help with this one Trouble codes: 325 (esc failure)
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2004 Buick Rendezvous CX 3.4L AWD Disable Light VIN: 3G5DB03E04
This vehicle has an AWD Disable light that is on all of the time. No codes in any modules. Very little data on this system in either Alldata or Mitchell. I searched the archives and found that fluid is often an issue, and that the rear axle actuator fails fair...
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2000 Cadillac DeVille DHS 4.6L Engine VIN: 1G6KE57Y4Y
Hey cadillac techs I'm looking for some advise. This caddy came in with the customer saying the engine was running warmer than normal. The car is full of coolant & all the fans are coming on. when I took it for a drive, the temp gauge stayed in the middle unti...
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2005 Cadillac STS 4.6L Starting VIN: 1G6DC67A05
When button is pushed to start, instrument panel just goes dead and car wont turn over. Will come back to life on its own if you leave it in the on position for about 45 seconds. If you push to start again everything goes out. At first I could not talk with PC...
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1997 Chevrolet Camaro 3.8L Poor Idle Quality VIN: 2G1FP22KXV
This vehicle idled slow and rough cold, as it warmed up it idled faster and faster unil it warmed up where it idled at 1700 RPM. I found the idle stop screwed adjusted where it would keep the vehicle from stalling when cold but it was holding the throttle open...
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2001 Chevrolet Monte Carlo LS 3.4L dash light VIN: 2G1WW15E01
have no dash light when you turn on the park lights or headlights. can't find good info in alldata or mitchell for testing
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2001 Chevrolet Silverado 2500 HD 6.0L hydroboost, steering pump VIN: 1GCHK23U61
Truck is a work truck, plows snow in winter, ranches in summer. First came in Jan 2010 with intermittent weak steering and brakes. Renewed pump with new from GM, flushed and refill with new fluid. After a snowy winter, Mar 2011, truck came back with same sym...
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2002 Chevrolet Silverado 1500 HD LT 6.0L Rear Main seal? VIN: 1GCGK13U32
Have a major oil leak from the rear of the motor. Put dye in to make sure the oil wasn't coming up higher. like the sender. It is coming from the rear of the engine. I am needing to pull the transmission & transfer case to get to this area. Are there any other...
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2004 Chevrolet Cavalier 2.2L Actuator VIN: 1G1JC52F84
Hi all. Cant seem to find the proper information I need. This car has a stripped gear in the recirc door actuator. This is the third actuator on the car. What I see is the controls switch it open and shut, the linkage is good, door is good, insulation on the d...
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2006 Chevrolet Silverado 3500 LS 6.6L MIL Lamp on, Engine Limp VIN: 1GCHK33D66
This vehicle has had this issue for some time now. While towing under a heavy load the truck will set a P0087 code and enter limp mode. Another shop was diagnosing this issue and found an external head gasket leak. While the heads where off we tested the injec... Trouble codes: P0087 (Fuel Rail Pressure Too Low)
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2004 GMC Sierra 1500 SLE 5.3L rotors VIN: 1GTEK19V64
This truck will not stop sometimes. no real reason as to why or when this happens.the brake pedal stays up good, no noises or pulsation.you can drive it for days and it is good then the next stop you push on the pedal and it is just like you have old manual br...
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2007 GMC Sierra 2500 HD SLT 6.6L No Start VIN: 1GTHK23697
this happen in one or two week of releaning the key you can learn one key and all the other key work with out relearning them it don't have to be the master key anty help it sound like the ecm but i don't know Trouble codes: P0513, P0633
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1999 Oldsmobile Intrigue GL 3.5L Engine VIN: 1G3WH52HXX
This is a Labor Day weekend side job for an Intrigue with the spin-off "Shortstar" V-6. I am 99% sure a rod bearing has wiped out as it is knocking and has a perfect, loud rhythm to it. I would be shocked if it was anything else causing it. I plan on installin...
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2006 Saturn Vue 3.5L pass air bag VIN: 5GZCZ6347S
customer brought in for air bag light,checked codes,b0092 passenger presence problem.customer is a car dealer,brought in a used seat assy,replaces pps module and cushion assy used tec 2 to rezero seat.cleared code and restarted engine code resets imediatly.che...
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2007 Saturn Vue Green Line 2.4L MIL Lamp on VIN: 5GZCZ33Z87
Hi guys got an 07 saturn vue hybrid. i cant locate my code sheet at the moment sorry.the cust and vehicle left the shop. the cust is kind of a (scitzo)but anyway whats happening aparently is when shes driving the vehicle the speedo goes crazy the abs light goe...
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2007 Saturn Vue 3.5L Bearings VIN: 5GZCZ63407
Hey, we have been hunting this howling bearing, we have driven car and the noise is from the front. It does not change with throttle or banking the car. This is the honda powertrain... With it in the air the most noise is from the power transfer unit, we remov...
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2008 Saturn Aura XE 3.5L Misfire VIN: JT3HN86R5Y
Hello, We have a 2008 Aura that had a misfire cylinder 1. Found crack in original spark plug. Change with oe plug. Came back week later /crack in plug. Crack is very light-starts from top and runs down. Put another plug in and of course same thing. I guess ig...
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Fixes & Summaries for GM
Fix/Summary Answers
1999 Buick Century Custom 3.1L No Start, Stall, Misfire VIN: 2G4WS52M1X
First of all I would like to thank everyone for the A+ replies. 22 replies "WOW" thats what I call real help. Well here's the fix "Diesel fuel" yes the customer put diesel in the thing. When I changed the fuel pump I just never smelled or saw anything that wou...
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1994 Cadillac Eldorado 4.6L front end VIN: 1G6EL12Y8R
thank you to all for the quick response. happy to announce that this one is fixed!!! it was the starter bendix drive hitting the fly wheel. thanks to Steven from Idaho for a good diag procedure. turning off engine while turning!! thank you to all who replied!!...
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1998 Cadillac Seville STS 4.6L head gaskets VIN: 1G6KY5499W
Thanks for everyones input, all suggestions have been passed on to my father I think hes likely going to junk it , but if not I will give a better response, Sarkis from ontario told me about a site called northstar performance the repair consists of a stud kit...
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2004 Cadillac CTS 3.6L MIL Lamp on VIN: 1G6DM57794
Thank you Ruben, It was the replacement harness. Althought you would think the numbers should be the same they are not. After Ruben sent me the correct diagrahm I verified that I had hooked up wrong. Hooked up per TSB. Car ran fine... Thanks again Ruben... Trouble codes: P0221 (high volt), P0222.
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1998 Chevrolet P30 7.4L Fuel pump runs 3 sec VIN: 1GBLP37J3W
VEH STILL HAS THIS SAME ISSUE .NOTHING APPLIED TO MY ISSUE Trouble codes: P0463 (Fuel level sensor circuit high voltage).
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1999 Chevrolet Malibu 3.1L tires VIN: 1G1ND52M8X
Sorry this took so long but after I opened the help request the car was in a hail storm and has been in the body shop. The customer took the car and had all new tires put on it and then said it helped some but still had a little pull. I replaced the strut bush...
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2002 Chevrolet Avalanche 1500 Z71 5.3L Brake line routing VIN: 3GNEK13T92
Thank you all. I believe all where correst too, it was just differant terms used. For the books this is the correst routing. L/F R/F Rear ( all to wheels.) Master secondary ( rear of master cylinder) Master primary ( front of master cylinder ) Boy one mo...
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2003 Chevrolet Silverado 2500 HD LT 6.6L Excessive Emissions, Poor Idle Quality VIN: 1GCHK23173
well fellow techies this case is closed, i removed previous injectors and had them tested. they were all bad, customer was mad at himself for getting ripped off by his own purchase of injectors. we got remaned injectors from a local auto parts store installed ... Trouble codes: P0380, P1238.
4
2006 Chevrolet Avalanche 1500 LS 5.3L MIL Lamp on VIN: 3GNE922566
WELL I GOT THE TRUCK BACK . ALL THE REPLIES I GOT CENTRED ON THE VALVE OR HOSE RESTRICTIONS. SOME REPLIES WERE ABOUT THE CIRCUIT AND THAT IS WHAT THE CODE IS ABOUT. I DID CHECK THE POWER SIDE FOR A VOLTAGE DROP BUT IT CHECKED GOOD.I DID THE SAME ON THE GROUND ... Trouble codes: P0449.
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